Version_2_1_2

Changed Kazakhstan phone code to 7 (which is correct)
Fixed MaskedInputFormatter applyMask (merged this pull request #46)

Version_2_1_0

Bug fixes and pull request merging

Version_2_0_3

Added a support for Russian national payment system "МИР" (it's read as MEER, and literally means "The World" but it also means "Peace", this is just for those who are curious :) ) the number of the card is formatted just like Visa or Mastercard but it has a differen system code